National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Hazardous Weather Conditions

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Overcast

27°F

-3°C

Humidity 78%
Wind Speed SW 16 G 24 mph
Barometer 29.70 in (1008.9 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 9 Dec 7:56 pm EST
Extended Forecast for

3 Miles NNE Celoron NY

Winter Weather Advisory December 10, 01:00am until December 12, 04:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: Snow showers likely, mainly between 2am and 3am, then snow after 3am. Low around 26. Southwest wind 13 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 3 inches possible.

    Low: 26 °F

    Cloudy then
    Snow

  • Wednesday

    Wednesday: Rain showers and snow, becoming all snow after 4pm. High near 36. South wind around 16 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 36 °F

    Snow then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Snow. Low around 20. Northwest wind around 16 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 20 °F

    Snow

  • Thursday

    Thursday: Snow showers. Patchy blowing snow between 1pm and 3pm. High near 26. Breezy, with a west wind 16 to 20 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 26 °F

    Snow Showers
    and Patchy
    Blowing Snow

  • Thursday Night

    Thursday Night: Snow showers likely, mainly before 1am. Mostly cloudy, with a low around 19. West wind 10 to 16 mph. Chance of precipitation is 70%.

    Low: 19 °F

    Snow Showers
    Likely

  • Friday

    Friday: A chance of snow showers. Mostly cloudy, with a high near 27. West wind around 10 mph. Chance of precipitation is 40%.

    High: 27 °F

    Chance Snow
    Showers

  • Friday Night

    Friday Night: Snow showers, mainly after 1am. Low around 16. South wind 8 to 10 mph. Chance of precipitation is 80%.

    Low: 16 °F

    Chance Snow
    Showers then
    Snow Showers

  • Saturday

    Saturday: Snow showers. High near 26. West wind 11 to 16 mph. Chance of precipitation is 80%.

    High: 26 °F

    Snow Showers

  • Saturday Night

    Saturday Night: Snow showers. Low around 16. Chance of precipitation is 90%.

    Low: 16 °F

    Snow Showers

Detailed Forecast

Tonight
Snow showers likely, mainly between 2am and 3am, then snow after 3am. Low around 26. Southwest wind 13 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 3 inches possible.
Wednesday
Rain showers and snow, becoming all snow after 4pm. High near 36. South wind around 16 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
Snow. Low around 20. Northwest wind around 16 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Thursday
Snow showers. Patchy blowing snow between 1pm and 3pm. High near 26. Breezy, with a west wind 16 to 20 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
Snow showers likely, mainly before 1am. Mostly cloudy, with a low around 19. West wind 10 to 16 mph. Chance of precipitation is 70%.
Friday
A chance of snow showers. Mostly cloudy, with a high near 27. West wind around 10 mph. Chance of precipitation is 40%.
Friday Night
Snow showers, mainly after 1am. Low around 16. South wind 8 to 10 mph. Chance of precipitation is 80%.
Saturday
Snow showers. High near 26. West wind 11 to 16 mph. Chance of precipitation is 80%.
Saturday Night
Snow showers. Low around 16. Chance of precipitation is 90%.
Sunday
Snow showers likely, mainly before 1pm. Mostly cloudy, with a high near 20. Chance of precipitation is 70%.
Sunday Night
Snow showers likely. Mostly cloudy, with a low around 10. Chance of precipitation is 60%.
Monday
A chance of snow showers. Mostly cloudy, with a high near 22. Chance of precipitation is 40%.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 13. Chance of precipitation is 50%.
Tuesday
A chance of snow showers. Mostly cloudy, with a high near 26. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Celoron NY
 42.15°N 79.25°W (Elev. 1699 ft)
Last Update:
6:36 pm EST Dec 9, 2025
Forecast Valid:
8pm EST Dec 9, 2025-6pm EST Dec 16, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation